#ifndef __NULL_H__
#define __NULL_H
	#ifdef NULL
	#  undef NULL
	#endif

	#ifdef __cplusplus
	extern "C"
	{
	#endif
	/* standard NULL declaration */
	#define	NULL	0
	#ifdef __cplusplus
	}
	#else
	/* standard NULL declaration */
	#define NULL	(void*)0
	#endif
#endif